On 2014/3/18 18:48, Russell King - ARM Linux wrote: > On Tue, Mar 18, 2014 at 06:20:42PM +0800, Liu Hua wrote: >> When we configure CONFIG_LPAE=y, pfn << PAGE_SHIFT will >> overflow if pfn >= 0x100000 in copy_oldmem_page. >> >> So use __pfn_to_phys for converting. > > Yes. The sad thing is that if you grep the kernel for similar things, > it's littered with this problem. I'm not sure whether anyone > particularly "owns" the crash_dump.c file - Mika Westerberg and > Olaf Hering were the last two to touch it... I guess put this in my > patch system please. > > Thanks. >
Yes, I found this problem in serval places after a quick review. I will do a check on this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
